diff --git a/lib/helper.js b/lib/helper.js
index cabfe599..965e1e55 100644
--- a/lib/helper.js
+++ b/lib/helper.js
@@ -45,10 +45,9 @@ exports.formatTestArgs = args => {
     newArgs.push(require.resolve('intelli-espower-loader'));
   }
 
-  // auto require setup file
+  // auto add setup file as the first test file
   const setupFile = exports.getTestSetupFile();
   if (setupFile) {
-    newArgs.push('--require');
     newArgs.push(setupFile);
   }
 
diff --git a/test/egg-dev.test.js b/test/egg-dev.test.js
index 6e1e1a4f..e2084cea 100644
--- a/test/egg-dev.test.js
+++ b/test/egg-dev.test.js
@@ -55,8 +55,7 @@ describe('egg-bin dev', () => {
     it('should auto detect available port', done => {
       coffee.fork(eggBin, [ 'dev' ], { cwd: appdir })
       // .debug()
-      .expect('stdout', `{"baseDir":"${appdir}","workers":1,"port":"7002","customEgg":"${customEgg}"}\n`)
-      .expect('stderr', /\[egg-bin] server port 7001 is in use/)
+      .expect('stderr', /\[egg-bin] server port 7001 is in use, now using port \d+/)
       .expect('code', 0)
       .end(done);
     });
diff --git a/test/egg-test.test.js b/test/egg-test.test.js
index 868dea41..9560b778 100644
--- a/test/egg-test.test.js
+++ b/test/egg-test.test.js
@@ -91,6 +91,7 @@ describe('egg-bin test', () => {
       cwd: path.join(__dirname, 'fixtures/enzyme-example-mocha'),
     })
     // .debug()
+    .expect('stdout', /before hook: delay 10ms/)
     .expect('stdout', /3 passing/)
     .expect('code', 0)
     .end();
diff --git a/test/fixtures/enzyme-example-mocha/test/.setup.js b/test/fixtures/enzyme-example-mocha/test/.setup.js
index 718f402a..4fd044b5 100644
--- a/test/fixtures/enzyme-example-mocha/test/.setup.js
+++ b/test/fixtures/enzyme-example-mocha/test/.setup.js
@@ -17,4 +17,11 @@ global.navigator = {
   userAgent: 'node.js'
 };
 
+global.assert = require('assert');
+
 documentRef = document;
+
+before(done => {
+  console.log('before hook: delay 10ms');
+  setTimeout(done, 10);
+});
diff --git a/test/fixtures/enzyme-example-mocha/test/Foo.test.js b/test/fixtures/enzyme-example-mocha/test/Foo.test.js
index cef63b45..27e7b056 100644
--- a/test/fixtures/enzyme-example-mocha/test/Foo.test.js
+++ b/test/fixtures/enzyme-example-mocha/test/Foo.test.js
@@ -1,5 +1,4 @@
 import React from 'react';
-import assert from 'assert';
 import { shallow, mount, render } from 'enzyme';
 import Foo from '../src/Foo';